Strategies for increasing affordability often involved trade-offs between various goals and impacts. It is important to consider all of these factors when evaluating potential solutions to unaffordability.

Earlier this year, the U.S. Department of Housing and Urban Development devoted an entire issue of a quarterly newsletter to land use regulations and the idea that local laws are strangling the nation's supply of affordable housing.

One of the first portions of the World Trade Center PATH station has opened beneath West Street in Manhattan. The 100-foot-long pedestrian passageway provides a taste of Santiago Calatrava's design and what a seemingly unlimited budget can buy you.

Haunted houses are benign. If you want real evil, suggests Keith Eggener, look to the sentient houses in fiction and film that are "born bad". From Poe to Siddons, he explores examples of "architecture gone terribly wrong".

This week, San Diego's City Council voted to resurrect the city's moribund Planning Department. A government-wide reorganization and energized leadership seem certain to ensure the department won't become a zombie.

Could a 1,300-mile bike path along the length of the proposed Keystone XL pipeline quell the concerns of environmentalists? A "tongue-in-cheek" design put forth by SWA group doesn't appear to have won admirers on either side of the debate.

Once again, the fine people at the real estate web portal Zillow have assembled their top 20 cities for trick-or-treating. This year they've gone one step further and identified the top 5 neighborhoods in each city for enterprising candy collectors.

What makes a city a great place to go trick-or-treating? Richard Florida takes the question seriously, ranking cities on walkability, the number of kids in the population, and a certain Halloween spirit.

It's Halloween time again, the day when dressing up in silly costumes is required of every conscionable person. Some opt for the scary ghost or the sexy nurse, but others, more thoughtful others, make more of this opportunity.

It's almost Halloween, and that means it's time to celebrate America's most important holiday by dressing up in a silly costume. But what's that? Tired of culturally relevant costumes? Don't want the general public to have any idea what you are? Prefer a drawn-out, interest-losing explanation of an obscure and wonky costume concept? Then you're in luck, because I happily present the second edition list of the best urban planning costume ideas.

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